The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build RuntimeKit, reference v0.2.0 (374c90), with Swift 6.1 for Android on 10 Aug 2025 12:51:21 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.65.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nicked/RuntimeKit.git
Reference: v0.2.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/nicked/RuntimeKit
 * tag               v0.2.0     -> FETCH_HEAD
HEAD is now at 374c90e Added a TypeEncoding parser
Cloned https://github.com/nicked/RuntimeKit.git
Revision (git rev-parse @):
374c90e3ecf4c021540d2c18f11a4c553900b029
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/nicked/RuntimeKit.git at v0.2.0
========================================
Build
========================================
Selected platform:         android
Swift version:             6.1
Building package at path:  $PWD
https://github.com/nicked/RuntimeKit.git
https://github.com/nicked/RuntimeKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RuntimeKit",
  "name" : "RuntimeKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "RuntimeKit",
      "targets" : [
        "RuntimeKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RuntimeKitTests",
      "module_type" : "SwiftTarget",
      "name" : "RuntimeKitTests",
      "path" : "Tests/RuntimeKitTests",
      "sources" : [
        "AttributesTests.swift",
        "Invocation/InvocationTests.swift",
        "Invocation/MethodSignatureTests.swift",
        "ObjCClassTests.swift",
        "ProtocolTests.swift",
        "Utils/TypeEncodingTests.swift"
      ],
      "target_dependencies" : [
        "RuntimeKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RuntimeKit",
      "module_type" : "SwiftTarget",
      "name" : "RuntimeKit",
      "path" : "Sources/RuntimeKit",
      "product_memberships" : [
        "RuntimeKit"
      ],
      "sources" : [
        "Invocation/Invocation.swift",
        "Invocation/MethodSignature.swift",
        "ObjCClass+Create.swift",
        "ObjCClass+Ivars.swift",
        "ObjCClass+Methods.swift",
        "ObjCClass+Properties.swift",
        "ObjCClass+Protocols.swift",
        "ObjCClass+RuntimeFuncs.swift",
        "ObjCClass.swift",
        "ObjCIvar.swift",
        "ObjCMethod.swift",
        "ObjCProperty.Attributes.swift",
        "ObjCProperty.swift",
        "ObjCProtocol+Create.swift",
        "ObjCProtocol+RuntimeFuncs.swift",
        "ObjCProtocol.swift",
        "RuntimeList/RuntimeFuncs.swift",
        "RuntimeList/RuntimeList.swift",
        "Utils/MethodTypeEncodings.swift",
        "Utils/Substring+ParseType.swift",
        "Utils/TypeEncoding.swift",
        "Utils/UnsafeBuffer+Utils.swift"
      ],
      "target_dependencies" : [
        "RuntimeFix"
      ],
      "type" : "library"
    },
    {
      "c99name" : "RuntimeFix",
      "module_type" : "ClangTarget",
      "name" : "RuntimeFix",
      "path" : "Sources/RuntimeFix",
      "product_memberships" : [
        "RuntimeKit"
      ],
      "sources" : [
        "RuntimeFix.m"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:873b43b7be6289c04a5a3fd4b2c372c2a5abf90643451079297d3dc6dc0b7d36
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Building for debugging...
[0/3] Write sources
/host/spi-builder-workspace/Sources/RuntimeFix/RuntimeFix.m:3:1: error: use of '@import' when modules are disabled
    3 | @import ObjectiveC.runtime;
      | ^
/host/spi-builder-workspace/Sources/RuntimeFix/RuntimeFix.m:6:12: error: call to undeclared function 'object_getClass'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    6 |     return object_getClass(c);
      |            ^
/host/spi-builder-workspace/Sources/RuntimeFix/RuntimeFix.m:6:12: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'Class' [-Wint-conversion]
    6 |     return object_getClass(c);
      |            ^~~~~~~~~~~~~~~~~~
3 errors generated.
[1/3] Compiling RuntimeFix RuntimeFix.m
[1/3] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:873b43b7be6289c04a5a3fd4b2c372c2a5abf90643451079297d3dc6dc0b7d36
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
/host/spi-builder-workspace/Sources/RuntimeFix/RuntimeFix.m:3:1: error: use of '@import' when modules are disabled
    3 | @import ObjectiveC.runtime;
      | ^
/host/spi-builder-workspace/Sources/RuntimeFix/RuntimeFix.m:6:12: error: call to undeclared function 'object_getClass'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    6 |     return object_getClass(c);
      |            ^
/host/spi-builder-workspace/Sources/RuntimeFix/RuntimeFix.m:6:12: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'Class' [-Wint-conversion]
    6 |     return object_getClass(c);
      |            ^~~~~~~~~~~~~~~~~~
3 errors generated.
[0/2] Compiling RuntimeFix RuntimeFix.m
[0/2] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 android